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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 6:36 pm CST Jan 23, 2026 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Tonight 40% chance of snow on Saturday 60% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday
Low: -4°F High: 9 °F High: 15°F High: 12°F High: 24°F High: 18°F High: 16°F High: 19°F
Low: 5 °F Low: -2°F Low: 5 °F Low: 2°F Low: 2°F Low: 2°F  
Mostly Cloudy Snow Snow Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
GALESBURG - (KGBG)
-4°
Clear
as of 6:15 PM CST
Rel. Humidity: 53%
Dew Point: -17°F
Visibility: 10 Miles
Pressure: 30.74 in.
Flight Rule: VFR
Wind Data
8 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
-2°
Clear
as of 5:54 PM CST
Rel. Humidity: 33%
Dew Point: -24°F
Visibility: 10 Miles
Pressure: 30.74 in.
Flight Rule: VFR
Wind Data
6 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
-2°
Clear
as of 6:15 PM CST
Rel. Humidity: 40%
Dew Point: -20°F
Visibility: 10 Miles
Pressure: 30.76 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
-4°
Feels like -20°F
Clear
as of 6:15 PM CST
Rel. Humidity: 36%
Dew Point: -24°F
Visibility: 10 Miles
Pressure: 30.75 in.
Flight Rule: VFR
Wind Data
9 MPH
340° North
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around -4. Wind chill values between -14 and -19. North northeast wind 6 to 10 mph, with gusts as high as 18 mph.

40% chance of snow Saturday Saturday... A 40 percent chance of snow after noon. Mostly cloudy and cold, with a high near 9. Wind chill values between -5 and -15. East northeast wind around 6 mph.

80% chance of snow Saturday Night Saturday Night... Snow, mainly after 9pm. Low around 5. Wind chill values between -1 and -6. Northeast wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

60% chance of snow Sunday Sunday... Snow likely, mainly before noon. Cloudy, with a high near 15. Wind chill values between -7 and 1. North northeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -2. North northwest wind around 10 mph, with gusts as high as 22 mph.

Sunny on Monday Monday... Sunny, with a high near 12. Northwest wind 8 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 5. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 24.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 2.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 18.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 2.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 16.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 2.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 19.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:18 AM
Sunset: 5:07 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:36 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:42 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.